What to Do If You Lose Your Audi Key Lost keys are a huge hassle and can be extremely expensive to replace. Luckily, with some simple steps you can steer clear of expensive replacement costs and huge towing cost. First, make sure you have an extra key. If not, check https://g28-car-keys86803.designertoblog.com/61450347/how-to-determine-if-you-re-ready-for-audi-a3-key-replacement